I can't sure about the meaning of the first sentence. 这本书是新出的？ The third one is correct. 这部电影是日本的（when it comes to describing the quantity of movies in Chinese,we usually use the word"部bù"as the classifier. 你找什么？——找日文书。 你的书是新买的吗？——对，你有兴趣看吗？ The third one is correct. The last one is correct.

这张邮票是妹妹的吗？（Is this stamp sister's?） 这本书是新出的（Of coures,what you said is also right,but when only one ,we also take off"一"） The third is right 这部电影是日本的（a moive ,we often use "部"） 你的书是新的吗？。。。对,你看那个吗？ others are right